Help Manual
Access Provided by:
To access all features Sign In
Search Chemicals
  • Substructure
  • Exact Match
  • Not Substr.
BooleanPropertyComparisonValueDelete
  • AND
  • OR
  • NOT
to [browse...][browse min...][browse max...][clear]
  • AND
  • OR
  • NOT
to [browse...][browse min...][browse max...][clear]
  • AND
  • OR
  • NOT
  • =
  • >
  • >=
  • <
  • <=
  • Range
  • C
  • H
  • N
  • O
  • P
  • S
  • Cl
  • F
  • Br
  • I
  • Ac
  • Ag
  • Al
  • Am
  • Ar
  • As
  • At
  • Au
  • B
  • Ba
  • Be
  • Bi
  • Ca
  • Cd
  • Ce
  • Co
  • Cr
  • Cs
  • Cu
  • D
  • Dy
  • Er
  • Eu
  • Fe
  • Fr
  • Ga
  • Gd
  • Ge
  • He
  • Hf
  • Hg
  • Ho
  • In
  • Ir
  • K
  • Kr
  • La
  • Li
  • Lu
  • Mg
  • Mn
  • Mo
  • Na
  • Nb
  • Nd
  • Ne
  • Ni
  • Np
  • Os
  • Pb
  • Pd
  • Pm
  • Po
  • Pr
  • Pt
  • Pu
  • Ra
  • Rb
  • Re
  • Rh
  • Rn
  • Ru
  • Sb
  • Sc
  • Se
  • Si
  • Sm
  • Sn
  • Sr
  • T
  • Ta
  • Tb
  • Tc
  • Te
  • Th
  • Ti
  • Tl
  • Tm
  • U
  • V
  • W
  • Xe
  • Y
  • Yb
  • Zn
  • Zr
to [clear]
  • AND
  • OR
  • NOT
to [browse...][browse min...][browse max...][clear]
  • AND
  • OR
  • NOT
to [browse...][browse min...][browse max...][clear]
  • AND
  • OR
  • NOT
  • =
  • >
  • >=
  • <
  • <=
  • Range
to [browse...][browse min...][browse max...][clear]
  • AND
  • OR
  • NOT
  • =
  • >
  • >=
  • <
  • <=
  • Range
to [browse...][browse min...][browse max...][clear]





Add Properties
  • Accurate Mass
  • All Entries
  • All Text
  • Biological Source
  • Biological Use/ Importance
  • Boiling Point
  • Boiling Point Pressure
  • CAS Registry Nos.
  • Chemical Name
  • CRC Number
  • Density
  • Development Status
  • Dissociation Const.
  • Hazard and Toxicity
  • Hazard Flag
  • Ion Charge
  • Melting Point
  • Molecular Formula
  • Molecular Formula by Element
  • Molecular Weight
  • Optical Rotation
  • Partition Coefficient (Calc.)
  • Percent Composition
  • Reference Author
  • Reference Patentee
  • Reference Tag
  • Reference Title
  • Reference Volume
  • Reference Year
  • Refractive Index
  • Rotation Conditions
  • RTECS
  • Source/Synthesis
  • Supplier
  • Type of Compound
  • Type of Compound Words
  • Use/Importance
  • UV Maxima
  • UV Solvent
Browse
FrequencyTerm
No records found.
Browse
    Import InChi/SMILES/SMARTS
    • InChi
    • SMILES
    • SMARTS


    Contact Us
    Customer Service:
    Taylor & Francis Group
    6000 Broken Sound Parkway, NW Suite 300
    Boca Raton, FL 33487 USA

    Tel: 1-888-318-2367
    Fax:1 561-361-6075
    E-mail: e-reference@taylorandfrancis.com

    From Outside North & South America:
    Taylor & Francis Group
    2 Park Square, Milton Park
    Abingdon
    Oxon, OX14 4RN
    United Kingdom

    Tel: +44 (0)20 3377 3680 (Only for International Corporate, Government, and Academic Institution Inquiries)
    Fax:+44 (0)20 7017 6747
    E-mail: online.sales@tandf.co.uk

    Techsupport:
    Tel: 1-888-318-2367 (US)
    Tel: 561 361 6020 (Outside U.S.)
    E-mail: techsupport@crcpress.com

    Your IP address is: 54.82.112.193
    Sign In - Individual User
    You are not within the network of a subscribing institution. Your IP address is: 54.82.112.193
    Please sign in with an Individual User account to continue.
    Note that Workspace accounts are not valid.
    Username
    Password
    Remember Me

    Checking Remember Me will create a cookie on your browser
    Confirm Sign Out
    Are you sure?
    Sign In to Your Workspace
    Your personal workspace allows you to save and access your searches and bookmarks.
    Username
    Password
    Remember Me
    This will save a cookie on your browser



    If you do not have a workspace Sign In click here to create one.
    Forgotten your workspace password? Click here for an e-mail reminder.
    Sign Out From Your Workspace
    Are you sure?
    Create your personal workspace
    Title
    • [Select]
    • Dr
    • Prof
    • Miss
    • Mrs
    • Ms
    • Mr
    • Mx
    First Name (Given)
    Last Name (Family)
    Email address
    Username
    Password
    Confirm Password


    Incorrect login details
    You have entered your Workspace sign in credentials instead of Individual User sign in credentials.
    You must be authenticated within your organisation's network IP range in order to access your Workspace account.
    Click the help icon for more information on the differences between these two accounts.
    Your IP address is: 54.82.112.193
    Incorrect login details
    You have entered your Individual User account sign in credentials instead of Workspace credentials.
    While using this network, a personal workspace account can be created to save your bookmarks and search preferences for later use.
    Click the help icon for more information on the differences between Individual User accounts and Workspace accounts.
    Your IP address is: 54.82.112.193
    My Account
    Your Account Details
    To view your account details Sign In
    Forgotten password?
    Your IP address is: 54.82.112.193

    Subscription To ChemNetBase Products
    Handbook Of Chemistry and Physics OnlineEnquire
    Combined Chemical DictionaryEnquire
    Dictionary of Natural ProductsEnquire
    Dictionary of Organic CompoundsEnquire
    Dictionary of DrugsEnquire
    Dictionary of Inorganic and Organometallic CompoundsEnquire
    Dictionary of Commonly Cited CompoundsEnquire
    Dictionary of Marine Natural ProductsEnquire
    Dictionary of Food CompoundsEnquire
    Polymers: A Property DatabaseEnquire
    Properties of Organic CompoundsEnquire
    Change Your Workspace Password
    Username
    Current Password

    New Password
    Confirm New Password


    Update your Personal Workspace Details
    Username
    Title
    • [Select]
    • Dr
    • Prof
    • Miss
    • Mrs
    • Ms
    • Mr
    • Mx
    First Name (Given)
    Last Name (Family)
    Email address


    Workspace Sign In Reminder
    Please enter your username and/or your e-mail address:

    Username
    Email Address


    Saved Searches
    Saved Seaches for
    SelectNameDate CreatedDate UpdatedDelete
    No Searches Found


    Delete Saved Search
    Are you sure you wish to delete this search?
    Save Search
    Save Search
    Save search as:  

    Customise Search Defaults
    My Default Properties For New Searches
    New Search Default Properties

    We use cookies to help provide you with the best possible online experience. Please read our Privacy Policy and Terms & Conditions for information about which cookies we use and what information we collect on our site. By continuing to use this site, you agree that we may store and access cookies on your device.
    Your Session is about to Expire!
    Your session will expire in seconds

    Please move your cursor to continue.

    Property Descriptions
    1H NMR
    Units: ppm, relative to TMS
    13C NMR
    Units: ppm, relative to TMS
    All Entries
    This field enables you to select all of the entries in the database. If you wish to retrieve all of the entries, type y in the search box.
    Boiling Point
    Units: °C, at 760 mmHg
    CAS Registry Nos.
    CAS number of a compound (without hyphens).
    Chemical Name
    CRC Number
    Unique ID for the compound in CRC Chemical Dictionaries.
    Density
    Units: g cm-3, temperature in °C
    Dielectric Constant
    At temperature in °C.
    Dipole Moment
    Units: D
    Enthalpy of Fusion
    Units: kJ mol-1
    Enthalpy of Vaporization
    Units: kJ mol-1, at boiling point
    Flash Point
    Units: °C
    IR Peak
    Search for a peak value or range in cm-1
    Magnetic Susceptibility
    Units: 10-6 cm3 mol-1
    Mass Spectral Peak
    Search for peak value or range. Results show peak values and relative initensities.
    Melting Point
    Units: °C
    Molecular Formula
    Molecular Formula by Element
    Molecular Weight
    Raman Peak
    Search for a peak value or range in cm-1
    Refractive Index
    Values at 589 nm
    Threshold Limit Value (STEL)
    Units: ppm. Short-term Exposure Limit.
    Threshold Limit Value (TWA)
    Units: ppm. Time-weighted Average.
    UV Peaks
    Search for a peak value or range in nm. Results show peaks (in nm) and molar absorption coefficients (in L mol-1 cm-1)
    Vapor Pressure
    Units: kPa, at 25 °C